Home / 23,940.85-35,877.67-18,921.16

Finding the Fourth Proportional to 23,940.85, 35,877.67 and 18,921.16

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Solution

The fourth proportional to 23,940.85, 35,877.67 and 18,921.16 is: 28,355.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,940.85 : 35,877.67 = 18,921.16 : x
  2. Step 2: Convert to fraction form
    23,940.85/35,877.67 = 18,921.16/x
  3. Step 3: Cross multiply
    23,940.85x = 35,877.67 × 18,921.16
  4. Step 4: Simplify right side
    23,940.85x = 678,847,134.50
  5. Step 5: Solve for x
    x = 678,847,134.50/23,940.85
  6. Step 6: Final answer
    x = 28,355.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.